Home / 9,816.48-13,546.76-5,340.29

Finding the Fourth Proportional to 9,816.48, 13,546.76 and 5,340.29

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Solution

The fourth proportional to 9,816.48, 13,546.76 and 5,340.29 is: 7,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.48 : 13,546.76 = 5,340.29 : x
  2. Step 2: Convert to fraction form
    9,816.48/13,546.76 = 5,340.29/x
  3. Step 3: Cross multiply
    9,816.48x = 13,546.76 × 5,340.29
  4. Step 4: Simplify right side
    9,816.48x = 72,343,532.53
  5. Step 5: Solve for x
    x = 72,343,532.53/9,816.48
  6. Step 6: Final answer
    x = 7,369.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.